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1. Environmental antimicrobial resistance is associated with faecal pollution in Central Thailand’s coastal aquaculture region

Author:
Thongsamer, Thunchanok; Neamchan, Rattikan; Blackburn, Adrian; Acharya, Kishor; Sutheeworapong, Sawannee; Tirachulee, Bundit; Pattanachan, Pavinee; Vinitnantharat, Soydoa; Zhou, Xin-Yuan; Su, Jian-Qiang; Zhu, Yong-Guan; Graham, David; Werner, David
Source:
Journal of hazardous materials 2021 v.416 pp. 125718
ISSN:
0304-3894
Subject:
plate count,   etc   ; antibiotic resistance; mariculture; microbiome; pollution; sediments; Thailand;     Show all 7 Subjects
Abstract:
... We assessed antimicrobial resistance (AMR) potential to seven major classes of antibiotics in Central Thailand’s coastal aquaculture region using high-throughput qPCR targeting 295 antibiotic resistance genes (ARGs) and mobile genetic elements (MGEs). In parallel, we used MinION next generation sequencing (NGS) of 16S rRNA gene amplicons, qPCR of faecal pollution makers, and conventional plate cou ...
DOI:
10.1016/j.jhazmat.2021.125718

2. Gold–silver core-shell nanorods based time-temperature indicator for quality monitoring of pasteurized milk in the cold chain

Author:
Gao, Tingting; Sun, Da-Wen; Tian, You; Zhu, Zhiwei
Source:
Journal of food engineering 2021 v.306 pp. 110624
ISSN:
0260-8774
Subject:
plate count,   etc   ; activation energy; cold chain; color; equations; milk; nanorods; pH; pasteurized milk; titratable acidity; wavelengths;     Show all 11 Subjects
Abstract:
... A time-temperature indicator (TTI) based on gold-silver core-shell nanorods (Au@Ag NRs) was developed to monitor the quality degradation of pasteurized milk in the cold chain. Changes of longitudinal plasmon peak wavelength, micro-morphology and colour of the Au@Ag NRs TTI at 4 °C, 15 °C, 25 °C, and 35 °C were investigated, and kinetic characteristics and temperature dependence of the TTI were stu ...
DOI:
10.1016/j.jfoodeng.2021.110624

3. Effect of vacuum impregnated fish gelatin and grape seed extract on moisture state, microbiota composition, and quality of chilled seabass fillets

Author:
Zhao, Xue; Chen, Lin; Wongmaneepratip, Wanwisa; He, Yun; Zhao, Lin; Yang, Hongshun
Source:
Food chemistry 2021 v.354 pp. 129581
ISSN:
0308-8146
Subject:
plate count,   etc   ; Pseudomonas; fish; food chemistry; gelatin; grape seed extract; magnetism; microorganisms; putrescine; spoilage; storage; water;     Show all 12 Subjects
Abstract:
... The effect of fish gelatin (FG) and grape seed extract (GSE) on microbiota composition and moisture state of fish was unexplored. Herein, this study aimed to evaluate the single and combined (FGG) effects on seabass during storage (4 °C) with assistant of vacuum impregnation and to elucidate the underlying preservative mechanism. As suggested by low-field NMR and magnetic resonance imaging, FGG-tr ...
DOI:
10.1016/j.foodchem.2021.129581

4. Hormetic responses of soil microbiota to exogenous Cd: A step toward linking community-level hormesis to ecological risk assessment

Author:
Wang, Shengyan; Huang, Bin; Fan, Diwu; Agathokleous, Evgenios; Guo, Yanhui; Zhu, Yongli; Han, Jiangang
Source:
Journal of hazardous materials 2021 v.416 pp. 125760
ISSN:
0304-3894
Subject:
plate count,   etc   ; Bacteroidetes; adverse effects; environmental assessment; fungi; hormesis; risk; soil microorganisms;     Show all 8 Subjects
Abstract:
... We investigated hormetic responses of soil microbial communities to exogenous Cd by assessing microbial count, bacterial and fungal abundance, and microbial community diversity. We found that the bacterial count (BC) decreased (3–40%) by 0.2–40 mg Cdkg⁻¹. Addition of 0.6–2.0 mgkg⁻¹ significantly increased fungal count (FC) by 7–42%, while addition of 4.0–40 mgkg⁻¹ Cd decreased FC by 29–51%, indica ...
DOI:
10.1016/j.jhazmat.2021.125760

5. Effect of squid pen chitooligosaccharide and epigallocatechin gallate on discoloration and shelf-life of yellowfin tuna slices during refrigerated storage

Author:
Singh, Avtar; Benjakul, Soottawat; Zhou, Peng; Zhang, Bin; Deng, Shanggui
Source:
Food chemistry 2021 v.351 pp. 129296
ISSN:
0308-8146
Subject:
plate count,   etc   ; Thunnus albacares; chitooligosaccharides; cold storage; discoloration; epigallocatechin gallate; food chemistry; shelf life; squid; tuna;     Show all 10 Subjects
Abstract:
... This study evaluated the effects of treatments of squid pen chitooligosaccharide (COS) or epigallocatechin gallate (EGCG) or COS/EGCG mixture (1:1, w/w) at different concentrations (0, 200, and 400 mg/kg) on the discoloration and quality changes in yellowfin tuna slices stored at 4 °C for 12 days. Tuna slices added with 200 and 400 mg/kg of COS (C2 and C4, respectively) showed the lowest reduction ...
DOI:
10.1016/j.foodchem.2021.129296

6. Effect of pre-treated wheat bran on semi-dried whole wheat noodles for extending shelf-life and improving quality characteristics

Author:
Xu, Chen-Ya; Guo, Xiao-Na; Zhu, Ke-Xue
Source:
Lebensmittel-Wissenschaft + [i.e. und] Technologie 2021 v.146 pp. 111503
ISSN:
0023-6438
Subject:
plate count,   etc   ; ethanol; fermentation; hardness; koji; microstructure; noodles; pH; shelf life; texture; wheat; wheat bran; yeasts;     Show all 13 Subjects
Abstract:
... Effects of different wheat bran pre-treatments on storage stability and physico-chemical properties of semi-dried whole wheat noodles (SWWN) were investigated. After bran pre-treatment with liquor koji and yeast, the total plate count of SWWN showed a slower rate of growth and the shelf-life was prolonged, which could be related to the lower pH and higher content of ethanol in noodles. Furthermore ...
DOI:
10.1016/j.lwt.2021.111503

7. Ecological relevance of high and low nucleic acid content bacteria in a monsoon influenced tropical estuary: Implications on the β-Glucosidase activity

Author:
Eswaran, Ranjith; Khandeparker, Lidita
Source:
Acta oecologica 2021 v.110 pp. 103697
ISSN:
1146-609X
Subject:
plate count,   etc   ; ; carbohydrates; estuaries; fluorescence; microbial activity; monsoon season; nucleic acids; organic matter; phylogeny; rain; India;     Show all 12 Subjects
Abstract:
... Heterotrophic bacteria that differ in their nucleic acid content are frequently observed in aquatic environments. However, their relevance and roles in organic matter utilization in monsoon-influenced tropical estuaries have not been addressed. Transparent exopolymer particles (TEP) are one of the carbohydrate rich organic matter forms in aquatic environments, and their breakdown is mostly mediate ...
DOI:
10.1016/j.actao.2020.103697

8. Tenacity of Enterococcus cecorum at different environmental conditions

Author:
Grund, Annemarie; Rautenschlein, Silke; Jung, Arne
Source:
Journal of applied microbiology 2021 v.130 no.5 pp. 1494-1507
ISSN:
1364-5072
Subject:
plate count,   etc   ; Enterococcus cecorum; air; durability; dust; hygiene; longevity; microbiology; poly(vinyl chloride); relative humidity; risk;     Show all 11 Subjects
Abstract:
... AIMS: Our aim was to analyse the survival of Enterococcus cecorum (EC) at various temperatures, relative air humidities and on different substrates commonly existing in broiler houses. METHODS AND RESULTS: A pathogenic EC isolate (EC14) was used to inoculate sterile litter, polyvinyl chloride (PVC) and dust samples. Incubation at 37, 25 or 15°C with either 32% relative humidity (RH) or 78% RH foll ...
DOI:
10.1111/jam.14899

9. Efficacy of the two-step disinfection with slightly acidic electrolyzed water for reduction ofListeria monocytogenescontamination on food raw materials

Author:
Zhang, Junyi; Wang, Jingyi; Zhao, Dandan; Hao, Jianxiong
Source:
Lebensmittel-Wissenschaft + [i.e. und] Technologie 2021 v.140 pp. 110699
ISSN:
0023-6438
Subject:
plate count,   etc   ; antibacterial properties; chickens; chlorine; disinfection; electrolyzed water; endive; food industry;     Show all 8 Subjects
Abstract:
... The disinfection efficacy of slightly acidic electrolyzed water (SAEW) has been recognized in food industry. However, the application of single SAEW limited its disinfection potential. The efficacy of the two-step disinfection with SAEW for the reduction of L. monocytogenes contamination on different food raw materials was evaluated compared to the one-step disinfection with SAEW in this study. Re ...
DOI:
10.1016/j.lwt.2020.110699

10. Rapid detection of total bacteria in foods using a poly-l-lysine-based lateral-flow assay

Author:
Tominaga, Tatsuya
Source:
Journal of microbiological methods 2021 v.183 pp. 106175
ISSN:
0167-7012
Subject:
plate count,   etc   ; Enterobacteriaceae; Pseudomonas; food safety; freshness; lactic acid; microbial detection; rapid methods;     Show all 8 Subjects
Abstract:
... Food safety and freshness are evaluated according to microbiological load. To analyze this load rapidly, a poly-ₗ-lysine-based lateral-flow assay (PLFA) was developed. A total of 90 strains of bacteria that are often detected in spoiled foods, including Enterobacteriaceae, lactic acid bacteria, Pseudomonas, and Bacillus were detected using the PLFA. A positive signal was obtained when the bacteria ...
DOI:
10.1016/j.mimet.2021.106175

11. Regrowth of bacteria after light-based disinfection — What we know and where we go from here

Author:
Wang, Manna; Ateia, Mohamed; Awfa, Dion; Yoshimura, Chihiro
Source:
Chemosphere 2021 v.268 pp. 128850
ISSN:
0045-6535
Subject:
plate count,   etc   ; DNA damage; antibiotic resistance; disinfection; public health; regrowth; reproduction; risk; solar radiation; wastewater;     Show all 10 Subjects
Abstract:
... Regrowth of bacteria after water/wastewater disinfection is a serious risk to public health, particularly when such pathogens carry antibiotic resistance genes. Despite increasing interest in light-based disinfection using ultraviolet or solar radiation, the mechanism of bacterial regrowth and their concentration upon light exposure (i.e., during storage, or after discharge into rivers or lakes) r ...
DOI:
10.1016/j.chemosphere.2020.128850

12. Ethyl Lauroyl Arginate (LAE): Antimicrobial Activity of LAE-Coated Film for the Packaging of Raw Beef and Pork

Author:
Tirloni, Erica; Bernardi, Cristian; Stella, Simone
Source:
Journal of food quality 2021 v.2021
ISSN:
1745-4557
Subject:
plate count,   etc   ; Escherichia coli; antimicrobial properties; beef; food quality; microorganisms; pork; storage time;     Show all 8 Subjects
Abstract:
... In this study, the antimicrobial activity of an ethyl lauroyl arginate- (LAE®-) coated film applied to the packaging of raw beef and pork was evaluated. Two different trials were performed for each meat species, aiming to evaluate the functionality of the film in contrasting the development of the natural microflora and of a specific target agent, Escherichia coli ATCC 25922. In the first trial, L ...
DOI:
10.1155/2021/6643717

13. Combination use of the microwave irradiation and preservatives effect on the shelf life and quality of Qingke barley fresh noodles stored at low temperature

Author:
Tuersuntuoheti, Tuohetisayipu; Wang, Zhenhua; Zhang, Min; Li, Meng; Wang, Kaiyun; Liang, Shan; Wang, Ziyuan; Ren, Xin; Sohail, Amjad
Source:
Journal of food processing and preservation 2021 v.45 no.3 pp. e15183
ISSN:
0145-8892
Subject:
plate count,   etc   ; antioxidants; barley; calcium propionate; color; industrialization; irradiation; microwave radiation; noodles; shelf life;     Show all 10 Subjects
Abstract:
... The combination effect of microwave (MW) irradiation, ε‐poly‐L‐lysine (ε‐pL), and calcium propionate (CP) on the shelf life and quality of Qingke barley fresh noodles (QBFN) stored at 4 ± 1°C were investigated in terms of total plate count (TPC), bacterial diversity, water characteristics, and noodle qualities. The results showed that the initial TPC of the control and MW + ε‐pL + CP groups were 4 ...
DOI:
10.1111/jfpp.15183

14. Enriched makiang (Cleistocalyx nervosum var. paniala) seed extract and citric acid to control pathogenic bacteria and color of fresh cut cantaloupe

Author:
Tantratian, Sumate; Balmuang, Nunthanics
Source:
Lebensmittel-Wissenschaft + [i.e. und] Technologie 2021 v.138 pp. 110626
ISSN:
0023-6438
Subject:
plate count,   etc   ; Escherichia coli; cantaloupes; citric acid; color; ethanol; flavonoids; fresh-cut produce; seed extracts;     Show all 9 Subjects
Abstract:
... Consumers demand for good appearance and safe fresh-cut fruits without synthetic preservatives. Phenolic compounds from makiang seeds were extracted and applied as a natural preservative. Makiang seed extract (MKSE) was treated with 5 various amount of Diaion® HP-2MG, a macro porous resin, to enrich the phenolic compound content. The application of 0.375 g Diaion® to 1 mL of 12.5 mg mL⁻¹ MKSE was ...
DOI:
10.1016/j.lwt.2020.110626

15. Development and Quality Evaluation of Freeze-Dried Instant Green Smoothie Powder

Author:
Dilrukshi, S. H. B.; Senarath, H. P. S.
Source:
International Journal of Food Sciences 2021 v.2021
ISSN:
2314-5765
Subject:
plate count,   etc   ; ascorbic acid; cohesion; foods; freeze drying; fruits; healthy diet; phytochemicals; proximate composition; solubility;     Show all 10 Subjects
Abstract:
... Fruits and vegetables are healthy food sources which contain nutrients and phytochemicals with health-promoting properties. The production of healthy and more convenient products can be contributed to increase the consumption of fruits and vegetables. In this study, a novel, instant food product which is more nutritive was developed using locally available fruits and green leafy vegetables and the ...
DOI:
10.1155/2021/6634764

16. Effect of yam (Dioscorea spp.) starch on the physicochemical, rheological, and sensory properties of yogurt

Author:
Pérez, Jorge; Arteaga, Margarita; Andrade, Ricardo; Durango, Alba; Salcedo, Jairo
Source:
Heliyon 2021 v.7 no.1 pp. e05987
ISSN:
2405-8440
Subject:
plate count,   etc   ; Dioscorea alata; Dioscorea rotundata; lactic acid bacteria; pectins; stabilizers; starch; yams; yogurt;     Show all 9 Subjects
Abstract:
... This study investigated the effect of the addition of starch from “hawthorn” yam (Dioscorea rotundata) and “creole” yam (Dioscorea alata) at different concentrations (0.1%, 0.3%, and 0.5% w/w) on the physicochemical and sensory properties of stirred-type yogurt. Pectin (0.3% w/w) was used as a reference stabilizer. Yogurt with yam starch presented 13.38% less syneresis than yogurts with pectin. At ...
DOI:
10.1016/j.heliyon.2021.e05987

17. Field demonstration of irradiated sodium alginate as tea production booster

Author:
Hossain, Mohammad Afzal; Islam, Jahid M.M.; Hoque, Md. Mozammel; Nahar, Shamsun; Khan, Mubarak A.
Source:
Heliyon 2021 v.7 no.1 pp. e05881
ISSN:
2405-8440
Subject:
plate count,   etc   ; antifungal agents; gamma radiation; irradiation; leaf area; plant growth substances; sodium alginate; tea;     Show all 8 Subjects
Abstract:
... Sodium alginate oligomers were tested for tea plant growth promoter and anti-fungal agent in this experiment. Sodium alginate solutions were irradiated by Co-60 gamma radiation with different radiation doses to produce the oligomers. Irradiated solutions were then diluted into 150, 300 and 500 ppm prior to foliar application. Solutions were applied through foliar spraying at 7 days interval and th ...
DOI:
10.1016/j.heliyon.2020.e05881

18. Impacts of broadband and selected infrared wavelength treatments on inactivation of microbes on rough rice

Author:
Oduola, Abass A.; Bowie, Rebecca; Wilson, Shantae A.; Mohammadi Shad, Zeinab; Atungulu, Griffiths G.
Source:
Journal of food safety 2020 v.40 no.2 pp. e12764
ISSN:
0149-6085
Subject:
plate count,   etc   ; rough rice; tempering; wavelengths;     Show all 4 Subjects
Abstract:
... This study investigated the effects of broadband and selected infrared (IR) wavelength treatments of rough rice on microbial inactivation. Rough rice was treated at different IR wavelengths and product‐to‐emitter distances (110, 275, and 440 mm) followed by tempering at 60°C for 4 hr. The total mold and aerobic plate counts (APC) on non‐treated and treated samples were determined. Significant tota ...
DOI:
10.1111/jfs.12764

19. Analysis of nationwide survey data to determine bacterial contamination levels in meat from pig slaughterhouses in Thailand

Author:
Klaharn, Kunnanut; Pichpol, Duangporn; Meeyam, Tongkorn; Pfeiffer, Dirk; Moomon, Anucha; Lohaanukul, Patpong; Punyapornwithaya, Veerasak
Source:
Food control 2021 v.126 pp. 108005
ISSN:
0956-7135
Subject:
plate count,   etc   ; Enterococcus; Escherichia coli; Salmonella; Staphylococcus aureus; bacterial contamination; food safety; information; national surveys; pork; public health; swine; Thailand;     Show all 13 Subjects
Abstract:
... Bacterial contamination in meat processed in slaughterhouses is a very important public health concern. The present study aimed to compare bacterial contamination levels in meat samples from pig slaughterhouses in six regions of Thailand. A total of 3066 meat samples were collected from pig slaughterhouses (n = 1466) across Thailand in 2019 by the Department of Livestock Development (DLD). All sam ...
DOI:
10.1016/j.foodcont.2021.108005

20. Modified bone char with C–MgO as a green antibacterial household water treatment filter: Comparing the microbial quality with refrigerator cartridge filters

Author:
Dayari, Ali Reza; Asgari, Ghorban; Seid-mohammadi, Abdolmotaleb; Samarghandi, Mohammad Reza
Source:
Journal of hazardous materials 2021 v.414 pp. 125516
ISSN:
0304-3894
Subject:
plate count,   etc   ; Enterococcus faecalis; Escherichia coli; antibiotics; carbon; coprecipitation; microbiological quality; minimum inhibitory concentration; refrigerators; sucrose; water treatment;     Show all 11 Subjects
Abstract:
... The present study examines the efficiency of modified bone char (BC) with C–MgO nanoparticles (MBC-C–MgO) as media in a cartridge filter as an antibacterial agent to produce a new filter. The filters were operated in a continuous mode using a pre-static pump. MBC-C–MgO were produced and modified with sucrose through the co-precipitation method. The microbial quality of effluent water samples was c ...
DOI:
10.1016/j.jhazmat.2021.125516